Add new supported alias for when-format and unless-format

Author: cderv

docs/authoring/_format-aliases.md

@@ -1,10 +1,16 @@
-| Alias      | Formats                                     |
-|------------|---------------------------------------------|
-| `latex`    | `latex`, `pdf`                              |
-| `pdf`      | `latex`, `pdf`                              |
-| `epub`     | `epub*`                                     |
-| `html`     | `html*`, `epub*`, `revealjs`                |
-| `html:js`  | `html*`, `revealjs`                         | 
-| `markdown` | `markdown*`, `commonmark*`, `gfm`, `markua` |
+| Alias        | Formats                                                                        |
+|--------------|--------------------------------------------------------------------------------|
+| `latex`      | `latex`, `pdf`, `beamer`                                                       |
+| `pdf`        | `latex`, `pdf`, `beamer`                                                       |
+| `epub`       | `epub*`                                                                        |
+| `html`       | `html*`, `epub*`, `revealjs`, `dashboard`, `email`                             |
+| `html:js`    | `html*`, `revealjs`, `dashboard`, `email`                                      |
+| `markdown`   | `markdown*`, `commonmark*`, `gfm`, `markua`, `hugo-md`, `docusaurus-md`        |
+| `odt`        | `odt`, `opendocument`                                                          |
+| `hugo`       | `hugo-md`                                                                      |
+| `docusaurus` | `docusaurus-md`                                                                |
+| `asciidoc`   | `asciidoc`, `asciidoctor`                                                      |
 
 Note that the `html:js` alias indicates that the target format is capable of executing JavaScript (this maps to all HTML formats save for ePub).
+
+Other values supported are directly the name of the format, including Quarto's specific formats like `dashboard`, `email`, or `confluence`.